Base | Representation |
---|---|
bin | 10010101111011011… |
… | …100010100000001011 |
3 | 1220221102011110100021 |
4 | 102233123202200023 |
5 | 312203003214240 |
6 | 13124443521311 |
7 | 1311445352341 |
oct | 225733424013 |
9 | 56842143307 |
10 | 20123101195 |
11 | 8596a6984a |
12 | 3a97229237 |
13 | 1b89049292 |
14 | d8c7ab991 |
15 | 7cb98554a |
hex | 4af6e280b |
20123101195 has 8 divisors (see below), whose sum is σ = 25568175744. Its totient is φ = 15151511424.
The previous prime is 20123101181. The next prime is 20123101211. The reversal of 20123101195 is 59110132102.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is not a de Polignac number, because 20123101195 - 217 = 20122970123 is a prime.
It is a Duffinian number.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 118371099 + ... + 118371268.
It is an arithmetic number, because the mean of its divisors is an integer number (3196021968).
Almost surely, 220123101195 is an apocalyptic number.
20123101195 is a deficient number, since it is larger than the sum of its proper divisors (5445074549).
20123101195 is a wasteful number, since it uses less digits than its factorization.
20123101195 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 236742389.
The product of its (nonzero) digits is 540, while the sum is 25.
Adding to 20123101195 its reverse (59110132102), we get a palindrome (79233233297).
The spelling of 20123101195 in words is "twenty billion, one hundred twenty-three million, one hundred one thousand, one hundred ninety-five".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.077 sec. • engine limits •